Angle dependent magnetoresistance oscillations of α-(BEDT-TTF)2KHg(SCN)4 under high pressure

We measured angle dependent magnetoresistance oscillations of α-(BEDT-TTF)2KHg(SCN)4 under high pressure to investigate relationship between the so-called anomalous state and the possible normal state above the critical pressure of about 5kbar. Above the critical pressure, we found two series of oscillations that ascertain the resurrection of the normal state. However, the anisotropy of magnetoresistance for magnetic fields rotated in the two-dimensional plane is difficult to explain in terms of the Fermi surface thus clarified.